CVE-2026-90784 Dvidelabs flatcc semantics.c fb_clear_parser memory leak
A memory leak in the flatcc compiler allows remote attackers to cause denial of service by exhausting system memory.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-90784?
CVE-2026-90784 is a medium-severity denial of service vulnerability in Dvidelabs flatcc, published on 14 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability has been found in Dvidelabs flatcc up to 0.6.3. The impacted element is the function fb_clear_parser of the file src/Compiler/semantics.c. The manipulation leads to memory leak. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The identifier of the patch is 8dbc3419738da066151991fd2bf1d0c85591dea2. It is suggested to install a patch to address this issue.
Which versions are affected by CVE-2026-90784?
How do I fix CVE-2026-90784?
No fix has been published for CVE-2026-90784 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-90784 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-90784 exists.
Sources
Also known as GHSA-7xqv-gc79-6hf3.